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  1. Accuphase E307 rewire
  2. Altec Lansing 9444A
  3. seq. for tube pre and solid-state power
  4. How come noone is cloning McIntosh?
  5. Portable mp3 amplifier...
  6. Schematic
  7. power amplifier
  8. Blameless Amp layout
  9. Some questions about Jeff Rowland model 7?
  10. led vu meter
  11. sorted out amp fault
  12. JLH Power Survey
  13. Improving the Borbely Servo 100
  14. simple BJT gain stage
  15. Rod Elliot's P3A considirations
  16. Perceived sound vs. output impedance?
  17. Does anyone have the circuit of the Jeff Rowland Model-7?
  18. Complementary diff input with JFET and BJT cascode
  19. My second amp 2W
  20. Why use pots? better opamps?
  21. Dead amp
  22. Superb OPAMP preamp
  23. Single bjt buffer schema kindly requested.
  24. Series step attenuator
  25. Klasse A-versterker van 20 Watt
  26. Help with removing and replacing rectifier (IRF 6125) from a heatsink board
  27. Strange Crosstalk result
  28. High end audio?
  29. A mint Kenwood KA-907 amp is arriving, I need help/info/advice on restoring it.
  30. Small value caps (newbie alert)
  31. QSC MX-1500a problems
  32. Disaster NEED HELP PLS!
  33. Importance of "First Watt" ;)
  34. cross-quad and cascomp circuits
  35. output hum
  36. need help onkyo m-5000 and m-5140
  37. Delta 290 Arcam
  38. Elliott Sound MOSFET Power Amplifier
  39. 503 transistor
  40. Hafler DH220 Input Board Bottom Photo
  41. Build NAIM clone
  42. krell kas power suppy hum
  43. help me narrow down the distortion in my marantz 2238B
  44. Build A.... Quad?
  45. DC protection for leach
  46. spice models
  47. Need Schematic for Parasound HCA 2200 II
  48. selecting a transistor
  49. Parasound HAC2200II, schematic needed
  50. Protection Circuit - Crowbar - Zener vs SBS
  51. Overload protection circuit. Does it work correctly?
  52. I need help from Portugal, informs related Portuguese equipment brands and more....
  53. Help Convert Rotel Amp 220v to 110v? SEE PICS
  54. Luxkit A504 repair, long
  55. Noob needs help..Adcom GFA-545 DC blocking caps
  56. amp
  57. zero phase distortion
  58. Bryston 3B SST, enyone interested?
  59. I need an interpreter, maybe a new receiver?
  60. BC303 substitute in a TO126 package.
  61. from +/-80v to +/-70v rails
  62. Ksa-150
  63. Anyone got schematics for the Cambridge Audio model P40?
  64. Yba
  65. AURA VA 50 shematics
  66. Schema NAD 310
  67. subwoofer amplifier schematics?????
  68. Readjusting balance
  69. Stand-Offs for PC Board
  70. Well, i found what i was searching for so long time...the old amplifier, 1968 .
  71. New opamp design tool at Analog Devices
  72. Transistor specs. Help!...do you know those units?
  73. Power supply caps
  74. capacitor leads trouble
  75. Help with strange opamps
  76. Effect of output Stage Configuration on Damping Factor
  77. small amp
  78. Need to build simple MOSFET preamp!!Please help!
  79. help with amp
  80. Amplifier kit for my needs? Please, help - TY
  81. Marantz PM 55 schematic !!! Help me
  82. Accuphase schematic
  83. Anyone have any luck contacting Dr. Leach
  84. Power suply reduction
  85. Crown amps, transistor replacement (long)
  86. car amplifier ADCOM AMP GFA-4402
  87. marantz 22xx - front panel to EQ board
  88. Douglas Self PWR AMPS?
  89. Power Amplifier is Quiet / Broken?
  90. NAD 2200PE Schematic
  91. quick question ... really
  92. Bias Generator for Source Follower OPS
  93. Can guru's help?? Looking for a tube-like clip diode.
  94. Ultra-High performance OpAmp-based MOSFET Power Amp
  95. voltage problem in 400watt amp
  96. 300w rms amp
  97. Electronic function selector
  98. Electronic Lamps, electricity, i need help, lamps burning, needing procedure
  99. Nak PA7 clone
  100. Pre amp? What schematic do i need?
  101. Help for an audio amp (newbie)
  102. Sansui g-7500?
  103. NAD 705 Stereo Receiver Service Manual?
  104. Sansui R-550 Service Manual
  105. HiFi transistors
  106. need assistance
  107. TV Horzontal Output Transistor for output stage..?
  108. Power amp VI limiting?
  109. Tone ctrl bypass reduces volume?
  110. about the difference in sound quality between the two NAD amps. 3020 and 3225
  111. Dx Led Wattmeter, it can be usefull, and you can modifie and put your name on it
  112. Here's a good power amp fault
  113. anyone know the musical fidelity a1 -x amplifier
  114. Nad 272 power amp
  115. ? D666AC, B646AC -vs-C2705 ,A1145 - which one substitute which one?
  116. LTspice under Linux/wine
  117. DIY Baxandall network
  118. Bass Kill/Hpass Xover for VCA DJ mixer
  119. Equalize a passive bi-amp system
  120. Preamp?
  121. Schematic Marantz needed
  122. high end version of low end phono stage
  123. Purpose of this capacitor in discrete amplifier?
  124. noise from the potentiometer
  125. Standards of parts naming on PCBs?
  126. tip35c failures response
  127. Repairing a luxman M-120A
  128. Ion Nexus
  129. quad 77 pre 115v voltage
  130. Inter-M REF-2150 schematics
  131. How should I integrate this remote volume control?
  132. transit time in Amplifier
  133. Randall Amp problems
  134. Feedback & audio amp
  135. preamp
  136. Sumo Polaris 310
  137. mosfet 450w irf240 / irfp9240 amp help
  138. confused
  139. PPI vs. Alpine
  140. some transistors of interest
  141. Increasing caps on existing receivers
  142. MUR806 vs FRED bridge
  143. general question about feedback, input impedance, and noise
  144. Why always differential stages?
  145. power supply transformer wiring question
  146. Help interpreting spectrum analyzer results (pic attached)
  147. Cascodes- the truth is out there...
  148. RIAA Preamp
  149. Shunt-regulated 24V DC Power Supply for Preamp Modules
  150. Nad 916 schematics wanted
  151. ETI480 - is "factory" cooling enough?
  152. ETI480 help please
  153. Parasound
  154. All About Amplifiers
  155. looking for dual npn and dual npn smt transistors
  156. biamp used only to drive low frequencies
  157. Adcom 565 amplifier HELP
  158. IRFP240&IRFP9240 power amplifier schematic
  159. OnSemi ThermalTrak
  160. What to do with some beefy bits
  161. some power amplifier recomendations
  162. recalculating resistor values
  163. :Help: Are these transistors interchangeable?
  164. Lyra Connoisseur 4-2L SE: What a masterpiece!
  165. Luxman 1500 Receiver Disassembly
  166. PC O'scope/analyser
  167. help selecting a good amp project
  168. szekeres amp - irf510 equivalent
  169. best small signal FET?
  170. PGA2310 - Setup for highest audio quality
  171. Which OPAMP
  172. Mc Cormack
  173. Hawksford based conceptual amplifier
  174. My first attempt at amp design
  175. ART sla-2
  176. Reference Line Preeminence 1B Remote HELP!
  177. Musical figelity B1 N-channel
  178. I need a portable diy electronic AC volt meter, to avoid transportation of Scopes.
  179. The Sound of Science
  180. Alchemist Kraken Apd6a Mkii
  181. Marantz 1060 parts
  182. LOOKING FOR Schematics for MA5100 - Please
  183. Acoustic Reasearch
  184. I need help decidint which amp to buy
  185. TIP35C Failure
  186. 5534 audio amp
  187. help with hooking up transformer to IEC and psu
  188. Electrocompaniet Aw100MB
  189. What is the problem with this amp? mods requested
  190. Transistor subs..
  191. Adcom 5400 Power Amp Distortion - Need Help
  192. Looking for the best relay
  193. Relation between voltage gain and dB amplification
  194. Chassis for power amp
  195. Jung SR schemo/layout
  196. That source is this?
  197. NAD 1020 Preamp Problems
  198. Transformer substitution help
  199. Carver PM 1200 Protection light on, amp works!
  200. Need NAD 2140 schematic
  201. Technics SA-600
  202. preamp soft start
  203. request high power amplifier
  204. Hawksford output error correction circuit?
  205. Adcom 5400 Power Amp Schematic
  206. Luscious New Design!!
  207. Quick and Dirty X-over
  208. AMP CLASS A to B detection
  209. Looking for Technics SU-V7 Schematic
  210. Leach Amp Mod
  211. acousto-optic modulator and deflector
  212. Testing a power amp
  213. P3A Bridged Into 4 Ohm load
  214. Some topology of current feedback amplifier
  215. Using Many Small Signal transistors for the output stage Update!!
  216. spice up my life :)
  217. classic 8.0B shematics
  218. Will this work?
  219. Application of feedback Quad amps
  220. I want my ETI-480 amp stronger
  221. Help needed repairing HK Citation 12
  222. Krell PAM-5 gain adjust
  223. 300B solidstate?
  224. Perreaux 1150-b Distortion
  225. Legacy OpAmps
  226. Advanced Solid State Amp
  227. Help! Marshal MG50DFX Anybody Anyideas
  228. Have a look at this schematic please
  229. Crest Amp Circuit Schematics
  230. sony amp ta1055
  231. Error Correction Idea
  232. Can I use-35-0-35 volt DC for Leach Amp?
  233. rnrss orates on Power Amplifiers
  234. My Completed Krell KSA 50 Clone - Pics
  235. mox confusion
  236. Obsolete transistors
  237. Neutral amp parameters
  238. transformer substitute question
  239. Pioneer SA-8500 schematic ?
  240. Square wave testing....Cap value
  241. What Speakers Work best with the JLH 10W Class A Amplifier
  242. speaker protection - fail again - help please
  243. NAD 214 protection relay
  244. Spice: how to set IDSS etc?
  245. Western Electric 487c rectifier
  246. Has Anyone Got a Bose Amplifier circuit diagram?
  247. 24 dB/Octave 2/3-Way Linkwitz DC on output after power cut
  248. Volume control question for pre-amp, please help
  249. I though that I mastered TIM
  250. Carlos! This is my amp

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